Whatever you do don't go to your bank and do a charge back or ask for a refund from your bank because if you do, your PSN Account will be Banned and you will no longer have access to all the game you purchased digitally/Trophies ect...
Sony Computer Entertainment America
M-SAT 6:00 a.m. - 8:00 p.m. PST
Sunday 7:00 a.m. ? 6:30 p.m
As MrGreeK360,has said. Your acocunt may have been compromised. Change your passwords that were associated with your Sony accounts. Keep those emails for "evidence" and Contact Support, and tell them your issue. They will assist you in this better than we can on these forums.