loving siblings /frozen lavashipping(being re-writen)

one day kai and nya were arguing and nya said something about their secret. how will the rest of the ninja figure out kai is younger than nya and nya is older than kai. after the argument kai ran off and never came back. cole and zane were worried for kai. till one day later nya got a call from a old enemy that had something against her and took kai when he ran off.the others over heard the conversation and started to ask questions on what's going on.