ZhiLiang and Wenlin Yang are husband and wife who about to entering middle age. For some reason plus the guy called 'Master stick'. ZhiLiang suspicious that Wenlin is seeing someone she meets from church and that guy is his colleague YuZheng. One day, Wenlin bring follower to home for house church. ZhiLiang thinks this is the evidence of his suspicion, therefore he observe the details between his wife and YuZheng, try to dig a 'thing' to prove his point of view, turned out nothing is strong enough to be an evidence. Yet ZhiLiang stuck between confidence and non-confidence both for family and faith.