Ever since Charles came to riverdale as an FBI to meet hud family, things got strange. Charles came back to riverdake to meet his mum Alice, his dad FP and his half siblings jughead and betty. Then all of a sudden some girl just joins riverdale high, a transferred student. Betty has noticed Charles and the new girl together at pops and she gets suspicious.

You and Charles at pops together talking. Betty, his half sister, and Alice his mum watch from a distance as you both are talking.

you and Charles are laughing and sharing a milkshake. Betty starts to wonder how weird it is that the second he came back to town, you showed up at school and now you are talking with Charles. Betty knew there was something more to it.