Young men and women enter 'Believe' filled with the excitement of a first meeting. In a relationship where even a single small spark can turn everything upside down, the excitement begins to spread faster than expected. Who will be the first to ignite that spark?

'Believe' begins to grow closer to one another. With the arrival of two new people, the atmosphere starts to change little by little... On the night of roommate selection, a secret date begins in an unexpected location.

The results of the first impression vote are revealed, and the person with the most votes is given a special date opportunity. Amidst the secret room date and deepening conversation, someone's feelings begin to become clearer…

A special date begins, chosen only by the opposite sex. Even while spending time alone together, feelings start to be conveyed through 'Svami Talk'... Within the limited seven messages, whom is their heart truly directed?

Those who couldn't leave their dates behind begin pouring the feelings they never got to express into 'Stand BI Me' Talk. Then, unexpected date photos start arriving, stirring up complicated emotions. And when a matching couple item is suddenly discovered, whose heart will it shake?

On the night of the anonymous chat and crush vote, the feelings everyone has been hiding begin to surface, one by one. As the truth game unfolds, heartfelt confessions that no one expected come to light. Some find confirmation of their feelings, while others decide it's time to let go.

A new date begins with a game of "Yes or No." As participants choose the person they want and others accept their selections, their hearts begin to drift in unexpected directions. Will spending more time together bring them closer, or only leave their feelings even more tangled?

Like pottery carefully shaped by hand, their feelings for one another slowly begin to take on new forms. As they spend sincere moments together on their dates, their emotions become clearer. And as old feelings fade away, new affections quietly begin to bloom...

With everyone's ages and occupations finally revealed, their feelings for one another become even more certain. Some gain confidence in where their hearts lie, while others find themselves caught up in new doubts. As the favorability vote returns and Secret Room dates begin once again, will their hearts end up pointing in the same direction?

On dates with new partners, the young contestants discover feelings they never realized they had. Some hesitate over a small misunderstanding, while others find themselves unexpectedly drawn to someone new. Just as hearts that had drifted apart begin to move again, another unexpected twist changes everything.

A single phone call follows an unexpected overnight date. Faced with the difficult choice of whether to return or stay, everyone's feelings are put to the test once again. After much deliberation, each person makes a decision, but when the voting resumes, will it lead to new sparks of romance?

The misunderstandings between them don't fade away easily, while feelings realized too late bring others closer together, allowing their emotions to deepen. As some grow closer and others find their hearts beginning to change over the course of the same day, the young adults' emotions once again start moving in a new direction...

After confirming their feelings for each other, one pair grows even closer. Meanwhile, relationships already shaken by jealousy and crossed signals begin to develop new cracks. Watching it all unfold, someone sees another chance to make a move... As they look back on their previous date and face a pivotal moment of choice, have their feelings changed?

Through the "Rewind Date," they revisit the moments they wished they could turn back. Amid misunderstandings that were never resolved and a distance that remains impossible to close, each person gradually comes to terms with their own feelings as they move toward their final choice. After the last night passes, the moment of the final decision arrives. Whose heart will their feelings ultimately reach?