Former lawyer Teng Mo runs an adult shop and becomes curious about singer Wu Shi Xian and his blue lips.

Teng Mo and Wu Shi Xian trade barbs until a private encounter begins to change their relationship.

After Wu Shi Xian exposes Teng Mo’s secrets, their relationship hits bottom, but Teng Mo returns to the bar.

A mysterious pill brings Teng Mo and Wu Shi Xian together, leading to a vulnerable night of shared feelings.

After their intimate night, Teng Mo and Wu Shi Xian pretend nothing happened but cannot stay apart.

Jealous after seeing Teng Mo with another woman, Wu Shi Xian takes him home to settle the matter.

Teng Mo and Wu Shi Xian spend a day together like a couple, growing closer as their feelings deepen.

A misunderstanding makes Teng Mo believe Wu Shi Xian will marry someone else, so he quietly walks away.

Teng Mo learns why Wu Shi Xian needs the medicine and discovers the heartbreaking truth behind his blue lips.

Teng Mo reveals a secret from his past, allowing him and Wu Shi Xian to reunite and face the future.

Teng Mo uses his legal skills to resolve Wu Shi Xian’s sister’s dispute and joins their family life.

As Wu Yi Xian’s condition worsens, Teng Mo and Wu Shi Xian face a painful farewell with her together.

Teng Mo stops running from his past and bravely confronts the unresolved case that has haunted him.

Teng Mo brings Wu Shi Xian home to meet his parents.

Teng Mo proposes to Wu Shi Xian, and they become a legal family through a voluntary guardianship agreement.

Teng Mo and Wu Shi Xian begin a new chapter as the café they built together finally opens its doors.