share time: 2025-10-18 06:01:30
Forensic assistant Lin Wan harbors a secret—she can read others' memories through kisses. Until Lu Shen, a corporate tycoon, arrives with his sister's murder case: the unique mark on the victim's lips matches Lin Wan's lip print perfectly. To prove her innocence, Lin Wan takes the initiative to kiss Lu Shen, only to accidentally uncover his softness beneath his playboy exterior—the "little sun" lip mark his sister drew on him with lipstick as a child is exactly the mark on the victim. It turns out Lin Wan is the orphan his sister saved years ago, and that lip mark was a "protective charm" from his sister. As they team up to track the killer, they realize the murderer is watching the "secret of the lip mark"—every time they get closer, they push each other deeper into the dangerous vortex...
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