come to rescue
come to (someone's) rescue
To help someone in trouble. The phrase can be used for both serious and trivial situations. Thank goodness the lifeguard came to my rescue; otherwise, I might have drowned! Thanks for the notes! You totally came to my rescue after I missed so many classes.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
come to (someone's or something's) rescue
to rescue or save someone or something. The paramedics came to our rescue at once. A big donor came to the college's rescue.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.