First Play...
O5, cuts towards O1. The break side mid to cut as he/she can run into more space. Assuming O5 receives.
Quick transition here; O6 and O7 moves down slightly to line up with O5. You will find out why in a while. Meanwhile O4 is getting ready to cut back. O1,O2,O3 will stay back
O4 gets the in cut towards the open
The moments BEFORE O4 receives the disc. O6, O7 springs into action. O6 gets the lateral pass, while O7 goes for the stirike to connect from O6.
O4 Receives and passes to O6.
O7 Strikes/Goes deep and O6 puts the disc to O7.