It's been 4 years since your stepfather passed away. your home situation is start to get worse. Because your mom and stepbrother, Killian often argue with mom. Every day you see mom put toilet cleaner in Killian's food. You try to warn him every time as you try to be good brother.

One day, someone knocks on your door. is a police officer They informed you that your mom had been murdered and that they would track down the culprit. Your brother walked out of the room. "What wrong?" Killian ask