Cry, 'holla!' to thy tongue, I pr'ythee.
Cranky Duke Frederick has got it in for Orlando, for reasons I'm not completely clear on just yet. Perhaps it's just his innate crankiness bubbling to the surface. He recruits Orlando's brother Oliver to round him up, under duress. Not that there's any love lost between the brothers, mind you.
In the meantime a bunch of the players are cavorting around the forest engaged in various mild antics and Orlando meets up with Rosalind. Though he professes his love for her he doesn't realize it's her because she's dressed as a guy at the time. Must be a helluva disguise.