Samuel is the CEO of a pharmaceutical research company, and Chloe is his fiancée. At their wedding, Chloe shocks everyone by sharing a ceremonial drink with Joseph, her ex-boyfriend, leaving Samuel furious. In an attempt to erase her betrayal, Chloe develops a "forgetfulness" drug and administers it to Samuel, hoping he will lose his memory of the incident. When Chloe returns with hope, she finds that Samuel has indeed lost his memory—but he also refuses to acknowledge their relationship. Desperate to win him back, Chloe's efforts only push Samuel further away. In the end, Chloe is forced to accept the consequences of her actions, while Samuel resolves to move on and leave the shadows of the past behind.
