Jack is the top guy in Private, a PI firm.
Colleen was murdered in his bed while he was still on the plane back.
He got showered, found the body and know this is a setup.
Called his team and they helped to gather evidence.
The setup of character is both show their loyalty and omit of justice.
The team is ready to make this go away if Jack is involved in this killing.
Now he has to proved his innocence.