You Are Not My Groom - Episode 4

Kathleen has been secretly in love with her brother’s best friend Alex for three years, trapped in a hidden relationship. She proposes three times but is repeatedly rejected. When she learns Alex plans to propose to his intern Isabella, she decides to marry the reliable Thorne arranged by her mother. On her wedding day, Alex rushes in to stop the ceremony, only to realize Kathleen has truly let go. Finally, she embraces a sincere, open love with Thorne, while Alex loses everything he once ignored.