Double Helix

Yichen's world is shaken when his new boss turns out to be his old high school classmate, Lufeng, who won't let the past die.

Lufeng’s hospital confession turns their reunion into a relationship, finally ending Yichen’s frantic denial.

Devastated by Lufeng's engagement news, a drunk Cheng Yichen mistakes Qin Lang for his lost love at a bar.

Lufeng proposes getting back together, leaving a conflicted Cheng Yichen terrified of getting hurt again.

Cheng Yichen rushes to the hospital fearing for Lufeng's life, leading to a reconciliation after clearing up the mix-up.

Lufeng's romantic Valentine's Day plans with Cheng Yichen are crashed by colleagues, but Lufeng uses the dinner to announce their love.