《致命心跳》是一部由吴琼执导，沈梦瑶主演的电影。故事讲述了一个孤僻冷漠的女孩晶晶患上了罕见的扩张性心肌病，需要进行心脏移植手术才能续命。手术后，晶晶开始发生巨大的身体变化，生活习惯和喜好也随之改变，甚至连性格都发生了翻天覆地的变化。而这些变化背后，隐藏着一个不为人知的秘密，随着剧情的逐步展开，故事也渐渐进入了高潮。在这个世界上，每个人的命运都如同一次次的心跳，看似平凡无奇，但每一次跳动，都承载着无数的故事和情感。

"Fatal Heartbeat" is a thriller starring Shen Mengyao and directed by Wu Qiong. The story tells the story of Jingjing, an indifferent and withdrawn beauty, who suddenly suffers from a rare dilated cardiomyopathy, and only a heart transplant can prolong her life. However, after the operation, Jingjing's physical condition and living habits have undergone tremendous changes, her preferences and personality have also completely changed, almost like a different person, and her normal life has been completely disrupted.

Jingjing is a girl who is isolated from the world, she is always alone, Reluctance to communicate with others. Her cold personality makes her unique in social circles. However, her life changed forever when she suddenly discovered that she was suffering from a rare heart disease.

In order to prolong her life, Jingjing decided to undergo a heart transplant. The operation was very successful, but she began to experience strange changes afterward. Her physical condition is recovering well, but her personality and preferences have changed dramatically. Previously independent and withdrawn, she has become sociable and keen on social activities. She is obsessed with nightlife and frequents nightclubs and parties. Her friends are very surprised, because this is completely different from Jingjing's past personality.

In addition, Jingjing's living habits have also undergone tremendous changes. She no longer eats on time, likes to eat some foods that she was not interested in before, and has no restrictions on her diet. Her schedule has been reversed, and she feels lethargic during the day and refreshed at night. She became obsessed with extreme sports and often participated in some adventurous activities, which she had never tried before the operation.

Jingjing’s family and friends are confused and concerned by the changes. They were concerned about whether her physical and mental health had been affected. They tried to communicate with her and understand the changes in her heart, but Jingjing always avoided these questions and was unwilling to share her feelings.