Director:
On this day / he unexpectedly received a call. The other party said that Cheng Ze / Cheng Zhu's brother / had been missing for several months and his whereabouts were unknown. Chengze ran away from home after high school / leaving a disgraceful record on his resume. Cheng-soo / who had a secret in his heart / came to his brother's apartment and found that there were many other people's clothes in his room. The surrounding residents were all disgusted with Cheng-ze / and the doors of each house were marked with unknown signs. Not long after / a mysterious man wearing a motorcycle helmet attacked Min Zhi's mother and son. The danger was obviously approaching Bai Chengzhu's family. Chengzhu / who had severe mysophobia / almost collapsed. In a luxurious and bright private house / a mysterious person quietly moves in and plays a very dangerous hide-and-seek game with the owner...
Cast:
事业有成的中年男子白成洙（孙贤周 饰）与妻子闽祉（全美善 饰）以及一双儿女户三和秀雅住在一幢高级公寓中，衣食无忧，幸福安逸。这一天，他意外收到一通电话，对方称成洙的哥哥成则失踪数月，下落不明。成则自高中后离家出走，期间履历中留下不光彩的记录。心中怀有隐秘的成洙来到哥哥所在的公寓，发现其房内有许多别人衣物，并且周围住户都对成则谈之色变，而各家门口也都标记了意义不明的记号。未过多久，一名头戴摩托盔的神
