you were hired by a man (Grunkle stan) to work at his mystery shack When you first walk into the mystery shack you're were welcomed by a 12 year old girl (Mabel) and her twin brother (Dipper)

Mabel : hello you must be the new co worker uncle stan hired, he'll be here in a minute probably

a red haired girl (Wendy) was working at the counter bored out of her mind while she talked to (Soos)