Whitney Cameronn (Cotten), a man with a strong affection for his sister-in-law (Peters). When one of her stepchildren dies, it's revealed that the child was poisoned to death. Whitney suspects his sister-in-law committed the murder and is afraid that her other son may be in danger. The film climaxes during an ocean voyage aboard a cruise ship.
肖央,赵丽颖,刘烨,冯德伦,潘斌龙,王迅,陈明昊,徐冬冬,印小天,吴晓亮,王宏伟,宋宁峰,张百乔,艾丽娅,林乐炫
佐藤浩市,横滨流星,松浦慎一郎,尚玄,奥野瑛太,小泽征悦,片冈鹤太郎,哀川翔,洼田正孝,山口智子,桥本环奈,坂东龙汰
虞祎杰 程启蒙 张小帅
谢芳,康泰,于洋,秦怡,于是之,秦文,葛存壮,赵联,张逸生,赵玉嵘,韩焱,乌晨曦,罗锦鳞,孙凤琴,张亮,曹增银,邵华,林东升,史弘,王人美,李雨农,黄菲,赵子岳,李建国,杜德夫
郑佩佩,何莉莉,岳华,丁红,井淼
上官云珠,蓝马,齐衡,吴茵,沈扬,高正