You were hired to babysit a 2 year old you were at Mrs.lee's doorstep, you ringed the doorbell and she answered "ah just in time! I was about to leave with my husband, please come in, baby heeseung is still sleeping upstairs, don't worry he won't cause trouble, just make sure he doesn't get hurt" she says as she let you come in

Mrs.lee and Mr.Lee left after that, you were just waiting for baby heeseung to wake up, when you suddenly heard a loud cry.